Patent classifications
H01L2224/75901
Method for controlling a manufacturing process and associated apparatuses
A method for controlling a process of manufacturing semiconductor devices, the method including: obtaining a first control grid associated with a first lithographic apparatus used for a first patterning process for patterning a first substrate; obtaining a second control grid associated with a second lithographic apparatus used for a second patterning process for patterning a second substrate; based on the first control grid and second control grid, determining a common control grid definition for a bonding step for bonding the first substrate and second substrate to obtain a bonded substrate; obtaining bonded substrate metrology data including data relating to metrology performed on the bonded substrate; and determining a correction for performance of the bonding step based on the bonded substrate metrology data, the determining a correction including determining a co-optimized correction for the bonding step and for the first patterning process and/or second patterning process.
Transfer apparatus and transfer method for transferring light emitting diode chip
A transfer apparatus for transferring a plurality of light emitting diode chips, comprising a stage on which a first substrate having the plurality of light emitting diode chips mounted on one surface is placed, a work table on which a second substrate to which the plurality of light emitting diode chips are to be transferred is placed, and a push pin module for transferring the plurality of light emitting diode chips to the second substrate by pushing the other surface of the first substrate in a state that one surface of the first substrate and the second substrate are disposed to face each other, wherein the push pin module includes a plurality of push pin units each including a push pin for pushing the other surface of the first substrate, and the push pin module transfers the plurality of light emitting diode chips corresponding to each push pin of the plurality of push pin units to the second substrate at a time.
Variable pitch multi-needle head for transfer of semiconductor devices
A direct transfer apparatus includes a dot matrix transfer head, which includes an impact wire housing and a plurality of impact wires disposed within the impact wire housing and extending out of the impact wire housing. A guide head is attached to the impact wire housing. The guide head includes multiple holes configured to arrange the plurality of impact wires in a matrix configuration, the matrix configuration being a matched-pitch configuration.
SINTERING PRESS FOR SINTERING ELECTRONIC COMPONENTS ON A SUBSTRATE
A sintering press for sintering electronic components on a substrate includes at least one reaction element extending along an element axis parallel to a pressing axis of the sintering press between a first element end and a second element end, the first element end forming a support plane for a respective substrate, at least one load cell operatively connected to the second element end, and an element plate slidably supporting the at least one reaction element and equipped with a heating circuit. The reaction element has a heating portion passing through the element plate and transmitting by conduction heat of the element plate to the substrate. The reaction element has a cooling portion ending with the second element end and shaped to dissipate the heat transmitted from the element plate to the heating portion.
Apparatus and method for transferring semiconductor devices from a substrate and stacking semiconductor devices on each other
A method of directly transferring a first semiconductor device die to a substrate includes loading a wafer tape into a first frame, loading a substrate into a second frame, arranging at least one of the first frame or the second frame such that a surface of the substrate is adjacent to a first side of the wafer tape, and orienting a needle to a position adjacent to a second side of the wafer tape, the needle extending in a direction toward the wafer tape. The method also includes activating a needle actuator connected to the needle to move the needle to a die transfer position at which the needle contacts the second side of the wafer tape to press the first semiconductor device die into contact with the second semiconductor device die.
LASER COMPRESSION BONDING DEVICE AND METHOD FOR SEMICONDUCTOR CHIP
A laser compression bonding device and method for a semiconductor chip are proposed. The device includes a conveyor unit that transports a semiconductor chip and a substrate, and a bonding head that includes a bonding tool for applying a pressure to the chip and substrate, a laser beam generator for emitting a laser beam, a thermal imaging camera for measuring temperatures of the surfaces of semiconductor chip and substrate, and a compression unit for controlling a pressure applied by the bonding tool and a position thereof, wherein the compression unit includes a mount on which the bonding tool is detachably mounted, and a servo motor and a load cell that apply a pressure to the mount or control a position thereof. The servo motor is controlled with two values for pressure application and positioning.
APPARATUS AND METHODS FOR ENHANCED MICROELECTRONIC DEVICE HANDLING
This patent application relates to apparatus and methods for enhanced microelectronic device handling. Apparatus comprises a pick arm having a pick surface configured for receiving a microelectronic device thereon, drives for moving the pick arm and reorienting the pick surface in the X, Y and Z planes and about a horizontal rotational axis and a vertical rotational axis, and a sensor device carried by the pick arm and configured to detect at least one of at least one magnitude of force and at least one location of force applied between the pick surface and a structure contacted by the pick surface or a structure and a microelectronic device carried on the pick surface. Related methods are also disclosed.
BONDING APPARATUS AND BONDING METHOD
A bonding apparatus includes a holder; a pressing member; and a curvature adjuster. The holder is configured to attract and hold a substrate to be bonded. The pressing member is configured to come into contact with a central portion of the substrate attracted to and held by the holder and press the substrate to allow the central portion of the substrate to be protruded. The curvature adjuster is configured to adjust a curvature of the substrate pressed by the pressing member.
High speed handling of ultra-small chips by selective laser bonding and debonding
Techniques for high speed handling of ultra-small chips (e.g., micro-chips) by selective laser bonding and/or debonding are provided. In one aspect, a method includes: providing a first wafer including chips bonded to a surface thereof; contacting the first wafer with a second wafer, the second wafer including a substrate bonded to a surface thereof, wherein the contacting aligns individual chips with bonding sites on the substrate; and debonding the individual chips from the first wafer using a debonding laser having a small spot size of about 0.5 μm to about 100 μm, and ranges therebetween. A system is also provided that has digital cameras, a motorized XYZ-axis stage, and a computer control system configured to i) control a spot size of the at least one laser source and ii) adjust a positioning of the sample to align individual chips with a target area of the laser.
MOUNTING DEVICE AND MOUNTING METHOD
a mounting device and a mounting method is provided with which, after lowering a mounting head holding a chip component in a direction perpendicular to a substrate to bring the chip component into close contact with the substrate subsequent to positioning the chip component and the substrate, a control unit causes a recognition mechanism to start a parallel recognition operation of a chip recognition mark and a substrate recognition mark and recognize the chip recognition mark and the substrate recognition mark through the mounting head in a mounted state in which the chip component is in close contact with the substrate, and calculates mounting position accuracy of the chip component and the substrate.